/Engine/Source/Editor/ContentBrowserData/Public/ContentBrowserDataSource.h
Queue an incremental item data update, for data sources that can provide delta-updates. These updates are flushed out at the end of the next call to Tick on the Content Browser Data Subsystem.
void QueueItemDataUpdate ( [FContentBrowserItemDataUpdate](API\Editor\ContentBrowserData\FContentBrowserItemDataUpdate) && InUpdate )